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  2. Is Cellphone Insurance Worth It? Here’s How You Tell - AOL

    www.aol.com/finance/cellphone-insurance-worth...

    It's important to weigh the cost of insurance against the cost of repairs. Read Is Cellphone Insurance Worth It? Here's How You Tell from Money Talks News.

  3. Likewize - Wikipedia

    en.wikipedia.org/wiki/Likewize

    Likewize (formerly Brightstar Corp.) is a privately held American corporation founded in 1997 that operates in over 30 countries today.The company offers insurance, warranty, repair, trade-in, recycling, and tech support to telcos, banks, carriers and retailers on smartphones, tablets, laptops and connected devices in the home.

  4. Telephone Consumer Protection Act of 1991 - Wikipedia

    en.wikipedia.org/wiki/Telephone_Consumer...

    In 2013, the Philadelphia Federal Appeals Court held that consent to receive calls from collectors, banks, or telemarketers to consumers' cell phones may be revoked by the consumer. [8] The CAN-SPAM Act made a minor amendment to the TCPA to explicitly apply the TCPA to calls and faxes originating from outside the U.S.

  5. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    CDMA2000 is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South Korea, China, Japan, Australia and New Zealand.

  6. Queueing theory - Wikipedia

    en.wikipedia.org/wiki/Queueing_theory

    If k denotes the number of jobs in the system (either being serviced or waiting if the queue has a buffer of waiting jobs), then an arrival increases k by 1 and a departure decreases k by 1. The system transitions between values of k by "births" and "deaths", which occur at the arrival rates λ i {\displaystyle \lambda _{i}} and the departure ...

  7. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).

  8. Waiting period - Wikipedia

    en.wikipedia.org/wiki/Waiting_period

    A waiting period is the period of time between when an action is requested or mandated and when it occurs. [1]In the United States, the term is commonly used in reference to gun control, abortion and marriage licences, as some U.S. states require a person to wait for a set number of days after buying or reserving a firearm from a dealer before actually taking possession of it, a woman waiting ...

  9. Time-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Time-division_multiple_access

    Most 2G cellular systems, with the notable exception of IS-95, are based on TDMA. GSM, D-AMPS, PDC, iDEN, and PHS are examples of TDMA cellular systems.. In the GSM system, the synchronization of the mobile phones is achieved by sending timing advance commands from the base station which instruct the mobile phone to transmit earlier and by how much.